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Finding the Fourth Proportional to 445,879.04, 615,524.76 and 282,617.12

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Solution

The fourth proportional to 445,879.04, 615,524.76 and 282,617.12 is: 390,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,879.04 : 615,524.76 = 282,617.12 : x
  2. Step 2: Convert to fraction form
    445,879.04/615,524.76 = 282,617.12/x
  3. Step 3: Cross multiply
    445,879.04x = 615,524.76 × 282,617.12
  4. Step 4: Simplify right side
    445,879.04x = 173,957,834,959.89
  5. Step 5: Solve for x
    x = 173,957,834,959.89/445,879.04
  6. Step 6: Final answer
    x = 390,145.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.